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Expired Australian patentAustralia

Low bit rate encoder low bit rate encoding method low bit rates decoder low bit rate decoding method for digital audio signals and recording media on which signals coded by such encoder or encoding method are recorded

AU 1994077458 · Applicant: Sony Corporation

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Listed from its IP Australia record in Patent Yard's archive of Australian patents past their term. Its claims, description and drawings are in the AusPat record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed October 25, 1994 and granted July 9, 1998. An Australian standard patent lasts 20 years from its date of patent, which is at most a year after this filing, so its term ended by October 25, 2015.
  • A pharmaceutical extension adds at most five years, so even that would have ended by October 25, 2020.
  • We check Australian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 25, 1994
GrantedJuly 9, 1998
Term ended byOctober 25, 2015
Application numberAU 1994077458
Classification (IPC)H04N19/625 +2 more

Timeline

Timeline From IP Australia dates

1995199820012004200720102013Application filedOct 25, 1994Patent grantedJuly 9, 1998Term ended byOct 25, 2015

Sources & verification

Everything on this page comes from the IP Australia record linked above. Data from IP Australia's IPGOD, licensed under CC BY 2.5 AU.